大家好，关于中小学英语词汇：on的介词短语很多朋友都还不太明白，不过没关系，因为今天小编就来为大家分享关于中小学英语词汇：on的介词短语的知识点，相信应该可以解决大家的一些困惑和问题，如果碰巧可以解决您的问题，还望关注下本站哦，希望对各位有所帮助！

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在经典版第二册第80课的难点部分，有一些关于指导的短语。今天就和大家分享一下。

首先，课本上的短语

(1) Exhibition

这个短语的意思是“展览；公展。”类似的短语包括：展出。比如：

His paintings are on display at the exhibition. His paintings are on display at the exhibition.

These paintings will be on display next week. These paintings will be on public display next week.

(2) Business trip

这个短语的意思是“出差”。比如：

I have to go to London on business tomorrow. I'm going to London on business tomorrow.

他每年去美国出差两次。他每年去美国出差两次。

(3) Walking

这个短语的意思是“行走；走路。”比如：

The old couple like hiking. The old couple like hiking.

Weather permitting, I will go to town on foot. Weather permitting, I will walk into the city.

(4) On duty

这个短语的意思是“值班；值班。”比如：

He reported the murder to the police on duty. He informed the police on duty of the murder.

Two retired workers are on duty to guard the gate. Two retired workers are on duty to guard the gate.

(5) Generally speaking.

这个短语的意思是“总的来说；总的来说”。比如：

我们也有不开心的时候，但总的来说，我们还是相当开心的。我们有过不愉快的时光，但总的来说，我们很快乐。

On the whole, I am in favor of this proposal. On the whole, I am in favor of this proposal.

(6) There is a fire.

这个短语的意思是“着火了；火。”比如：

If your home is on fire, you can only save one thing. What would it be? If your house is on fire and you can only save one thing,

你想要什么？

The house caught fire last night and was burned down. The house caught fire last night and burned to the ground.

(7) Deliberate

这个短语的意思是“故意地；故意的。”比如：

I don’我不是故意的，这是个意外。我不是故意的，这是一个意外。

她似乎是故意做这些事情的。她似乎是故意做这些事情的。

(8) On average.

这个短语的意思是“平均而言；一般来说”。比如：

I read an average of six books a month. I have an average of six books in Harle.

How many photos do you take on average at a time? How many photos do you usually take each time you use it?

(9) In any case

这个短语的意思是“无论如何”。比如：

In any case, doctors should not lose heart. Doctors must not lose heart under any circumstances.

This switch must not be touched under any circumstances. Do not touch the switch under any circumstances.

[注意]

这个短语的否定表达是：决不，意思是“决不；绝不。”比如：

Employees must never make personal calls in the office. Employees are absolutely not allowed to make personal calls in the office.

你绝对不能让煤气开着就去睡觉。在任何情况下，你都不应该让煤气开着，自己去睡觉。

(10) think again

这个短语的意思是“改变你的想法，再想想。”Thought也可以用单数形式。比如：

May I have a cup of coffee, please? -Actually, on second thought, I want a beer. Coffee, please. —— To be honest,

我改变主意了。我们喝杯啤酒吧。

On second thought, I will go home this holiday. After careful consideration, I intend to go home for a holiday.

第二，更常用的短语

(11) punctuality

这个短语的意思是“准时”;准时。”比如：

令我们惊讶的是，他们准时到达了。令我们惊讶的是，他们准时到达了。

即使下雨，他也会准时来。即使下雨，他也会准时来。

(12) Boarding

这个短语的意思是“在船上(汽车上或飞机上)”。比如：

Many tourists on board began to bargain with businessmen. Many passengers on board began to bargain with businessmen.

劫机者把飞行员留在飞机上作为人质。劫机者劫持了飞机驾驶员作为人质。

（十三）on hand

该短语表示“在手边； 现有”。如：

He had to make a shift with what was on hand. 他只好用现有的东西将就应付。

There weren't enough snacks on hand for the party. 现有宴会的点心不够用。

【注意】

英语还有个短语：at hand，它也可以表示“在手边”，但它还可以表示“即将到来”。如：

He always kept the picture of his girlfriend's close at hand. 他总是把女朋友的相片放在身边。

Your big moment is at hand. 你的重大时刻即将到来。

（十四）on sale

该短语表示“打折出售”。如：

Many sweet foods are on sale in the store. 这家商店在廉价出售多种甜食。

Is this toothpaste on sale today? 这种牙膏今天减价出售吗？

【注意】

英语中还有一个常用短语：for sale，表示“出售；待售”。如：

The goods for sale are set out attractively. 出售的货物陈列得非常诱人。

We have many types of cosmetics for sale. 我们有许多种化妆品待售。

（十五）on behalf of

该短语表示“代表”。如：

She invested the money on behalf of her ward. 她代表受她监护的人投资。

I will like to extend a warm welcome to you on behalf of our fair. 我代表本次交易会向你们表示热烈的欢迎。

（十六）on earth

该短语表示“究竟；到底”。如：

How on earth did you manage that? 你到底是怎么做的？

Why on earth didn't you tell me the truth? 你到底为什么不跟我说实话？

（十七）on one hand

该短语表示“一方面”。该短语常和on the other (hand)连用。如：

He has been criticized on one hand and encouraged on the other. 他一方面受到批评，另一方面却受到鼓励。

On one hand I have to work; on the other hand I have many visitors to see. 一方面我必须工作；另一方面我有许多来宾要照看。

（十八）on the contrary

该短语表示“相反；反而”。如：

I'm not ill. On the contrary, I'm very healthy. 我没有生病。正相反，我很健康。

On the contrary, it was very easy to understand. 相反，这事儿很容易理解。

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